(VOVworld) – Many construction sites and factories have been busy even on the New Year holiday to make sure that their schedule will be met on time. Workers have been rushing to build the Hanoi-Hai Phong expressway and the Cat Linh-Ha Dong elevated railway. Meanwhile, workers in the Hoa Binh Hydropower Plant have been on duty around the clock to ensure adequate electricity supply. Customs clearance has continued at seaports and border checkpoints.